However, as smoke alarm companies discovered, temperature plays a big role in how batteries perform. Hotter temps create less electrical resistance and amp up battery activity, while colder temps do ...

No one tells you what those different beeps or on-off lights on your smoke detector mean. Here's what you need to know.

Abstract: Reliability is critical for the efficient operation, maintenance, and cost reduction of LCL-type photovoltaic (PV) inverter. The generation of resonant currents from filter oscillations ...

Members of the American Red Cross of Greater Pennsylvania teamed with Allegheny County Emergency Services for a live burn ...